99 Club Studio v1.31.1

Arithmetic & Calculation category review and print/preview polish.

  • Correct-Answer Maze: up to 10×10 and longer Challenge routes.
  • Maths Crossnumber: up to 20 clues / 17×17 and preview containment improvements.
  • Number Search: independent exhaustive uniqueness regression.
  • Arithmetic Equation Crossgrid: 5×5 / 8×8 / 10×10, dark blocked cells and true four-operation mixed mode.
  • Target Number + Broken Calculator: direct-PDF presentation brought much closer to preview.
  • Missing Operations becomes Operation Codebreaker with large operation slots and an unlock code.
  • Kakuro gains explicit 9×9 and standard dark blocked cells.
  • Arithmetic Cages get stronger internal grid lines.
  • Magic Star safe bounds and six-item Number Connections layout are corrected in preview/PDF.